PSYCHE 



A JOURNAL OF ENTOMOLOGY 



Established in 1874 



VOL. XXV JUNE, 1918 NUMBER 3 



Prodryai persephone Scudder. 



CONTENTS. 



On the Existence of Immunity Principles in Insects. R. W. Glaser ... 39 



Lifeurus dovei nom. no v. E. A. McGregor 46 



The GenitaUa and Terminal Abdominal Structures of Male Neuroptera and 

 Mecoptera with Notes on the Psocidae, Diptera and Trichoptera. G. 

 C. Crampton 47 



Notes on Trioza alacris Flor in New Jersey. Harry B. Weiss and Edgar L. 



Dickerson 59 



Hemipterological Notes. H. M. Parshley 64 



Trichoprosopon Theobald (Diptera; Culicidje). C. S. Ludloio 66 



Exchange Column 69 



